Shown below is a partially built cube made of small cubes. How many additional small cubes are required to build the large cube below?

The shown below is cube made of small blue and white cubes.

How many small white cubes are there in the cube above?

Kiran created a structure using small cubes of the same size as shown below. He left a hole all the way through the shape.  Study the structure and answer the question below.

Kiran wishes to fill the hole with as many number of cubes as needed to fill it. How many cubes would be needed to fill
the hole?